Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002
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BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA
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Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801
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BMW E81 E87 LCI E90 E91 Petrol N43 Alternator Generator 170A Denso 7550468
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232
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Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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BMW 3 5 Series Mini Cooper E60 E93 R56 R60 IBS Negative Battery Lead 6938568
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Seat Leon Mk3 Door Module Control Unit Front Driver's Side Door 5Q4959593E
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Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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Audi A3 8L TT 8N Battery Cable Positive Wire Lead Terminal 1J0971228AE
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Audi Q5 FY 2.0 TFSI DAXB 252HP Quattro Engine ECU Kit Gateway + Key 06L907425C
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BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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Audi Q2 GA NAV Multimedia Navigation Display Screen MMI 8,25" 81A919605B
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110718AB
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Mini Cooper One R55 R56 R58 Petrol Engine Starter Motor N12 7540897
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Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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BMW X3 F25 Cables Set Wiring PDC Parking Sensor Front Bumper 9335474
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BMW E92 Mid-Range Loudspeaker Midtone Speaker 2163807
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Mercedes-Benz C-Class W203 W204 W211 Diesel Engine Starter Motor A0061512501
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Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
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VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Volkswagen Touran 1T Scirocco III BCM Body Control Module Unit ECU 5K0937087AD
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Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791
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Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
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Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
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Mercedes-Benz CLK W208 E W210 Xenon Headlight Level Control Unit Module LWR
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Fiat Doblo Engine Alternator Generator 46774430
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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Positive Cable Vauxhall Insignia Battery Starter Alternator Plus 13295310
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Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
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Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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BMW E91 Light Control Module ECU PL2 FRMFA Lear 61359128183 9128183
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Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
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Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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Mercedes W203 C180 Kompressor M271.946 Engine ECU A2711532291 Automatic
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BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9229880
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Fuse Box Cover Citroen Berlingo Peugeot Partner Housing Lid Trim 9658418180
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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LED Module BMW G11 G12 G20 F90 Dashboard Illumination Control Unit 6999950
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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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BMW F40 MINI F56 F57 F60 Control Unit Box Cover Trim Bracket 8581370
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
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BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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Mercedes Sprinter W907 W910 Body Control Module BCM V2 ECU A9079000305
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324
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Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .